diff --git a/Admin/Status.php b/Admin/Status.php
index e154860..721b5f8 100644
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -17,13 +17,13 @@ namespace Modules\Knowledgebase\Admin;
 use phpOMS\Module\StatusAbstract;
 
 /**
- * Navigation class.
+ * Status class.
  *
  * @package Modules\Knowledgebase\Admin
  * @license OMS License 1.0
  * @link    https://orange-management.org
  * @since   1.0.0
  */
-class Status extends StatusAbstract
+final class Status extends StatusAbstract
 {
 }
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 2caf8f9..9b06e01 100644
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -24,6 +24,6 @@ use phpOMS\Module\UninstallerAbstract;
  * @link    https://orange-management.org
  * @since   1.0.0
  */
-class Uninstaller extends UninstallerAbstract
+final class Uninstaller extends UninstallerAbstract
 {
 }
diff --git a/Admin/Updater.php b/Admin/Updater.php
index a48afba..0631220 100644
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -24,6 +24,6 @@ use phpOMS\Module\UpdaterAbstract;
  * @link    https://orange-management.org
  * @since   1.0.0
  */
-class Updater extends UpdaterAbstract
+final class Updater extends UpdaterAbstract
 {
 }